Ammonite Fossil Collection Polished & Natural
Updated August 28, 2026
This auction ended on September 4, 2026.
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| Lot number | 0123 |
| Estimate | $400 - $600 |
| Opening bid | $175 |
| Auction | Native American | Ethno | Fine Art |
| Date | September 4, 2026 at 11:00 AM EDT |
| Auction house | Artemis Fine Arts |
| Location | Louisville, Colorado |
Ca. 66–419.2 million years old. North Africa, Devonian Period to Cretaceous period, ca. 419.2 to 66 million years ago. A collection of ammonite fossils including polished examples,
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- Mosasaur Teeth Fossil Matrix, Morocco, Upper Cretaceous
- Large Fossil Bone Section, Mammoth or Marine Mammal
- Carboniferous Fossil Plant Slab, Horsetail-Type Flora, North America
- French Jurassic Ammonite Cluster, Stacked Stone Matrix
- Mosasaur Vertebrae Fossil, Articulated Spine Section, Late Cretaceous